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MongoEnumerableStandardDeviationSampleTSource Method (IEnumerableTSource, FuncTSource, NullableDouble)

Computes the sample standard deviation of a sequence of values that are obtained by invoking a transform function on each element of the input sequence.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.11.0+cb27a82ea70620ad1acad8058809be8302ae4f2a
public static Nullable<double> StandardDeviationSample<TSource>(
	this IEnumerable<TSource> source,
	Func<TSource, Nullable<double>> selector


Type: System.Collections.GenericIEnumerableTSource
A sequence of values to calculate the population standard deviation of.
Type: SystemFuncTSource, NullableDouble
A transform function to apply to each element.

Type Parameters

The type of the elements of source.

Return Value

Type: NullableDouble
The population standard deviation of the sequence of values.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also